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No. 62I,007. Patented Mar. I4, |899.

D. T. WILLIAMS.

TELLURIAN. (Applmion med Apr. 6,1s9e. (No Model.) 2 Sheets-Sheet I.

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No. 62|,007. Patented Mar. I4, |899.

D. T. WILLIAMS.

TELLURIAN.

(Application led Apr. 6, 1898.) (No Model.) 2 Sheets-$heet 2.

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NITED STATESl PATENT OFFICE.

DANIEL THOMAS IVILLIAMS, OF CRAIG, GEORGIA.

TELLURIAN.

` SPECIFICATION forming part 0f Letters Patent N0. 621,007, dated March 14, 1899.

Application tiled April 6, 1898. Serial No. 676,645. (No model.)

To .all whom t may concern.-

Be it known that I, DANIEL THOMAS WIL- LIAMS, a citizen of the United States, residing at Craig, in the county of Gwinnett and State of Georgia, have invented certain new and useful Improvements in Tellurians, of which the following is a full and complete specieation, such as will enable those skilled in the art to which it appertains to make and use the same. .l

This invention relates to tellurians; and the object thereof is to provide an improved device of this class which is simple in construction and operation and by means of which the movement of the earth around the sun and the production and rotation of the seasons may be easily illustrated. Y p The invention is fully disclosed in the following specification, of which the accompanying drawings form a part, in which- Figure l is a side elevation of my improved tellurian; Fig. 2, a partial plan view thereof; Fig. 8, a central vertical section of the base of the tellurian or the operative parts thereof. Fig. 4 is aplan view of the construction shown in Fig. 3. Fig. 5 is a View similar to Fig. 4t with parts of the operative mechanism removed. Fig. 6 is a plan View of a part of the construction shown in Fig. Fig. 7 is a plan l view of the disk which also forms a part of the operative mechanism shown in Fig. 3. Fig. 8 is a plan view of an oblong plate and a vertical-tube connected therewith which forms a part of said mechanism. Fig. 9 is a side view of a disk shown in Fig. 7 and a curved arm connected therewith. Fig. 10 is a partial section on the line l0 lO of Fig. l. Fig. ll is a side View thereof, and Fig. l2 is a plan View of one of the disks shown in Figs. l and ll detached and provided with va ring which is secured to the perimeter thereof.

In the drawings forming part of this speciiication the separate parts of my improvement are designated by the same letters of reference in each of the views, and in the practice cf my invention I provide a device for the purpose herein specified which comprises a base-plate A, having upwardly and outwardly curved supports a, with the upper ends of which are connected an annularplate C, the upper surface of which is divided into twelve equal spaces C2, on which in practice the signs of the zodiac are placed.

Secured centrally of the upper surface of the base-plate A is an elliptical casin g d2, provided at its base with outwardly-directed proj ections a3, by means of which connection with the base-plate A is made, and the elliptical casing d2 is provided with a countersunk top a4, around the perimeter of which is an annular groove a5, in which are placed ballbearings a6, and said cou'ntersunk top a4 is provided centrally with a transverse elliptical opening a7.

Y Within the elliptical casing a2 is placed an oblong shaft-plate B, a plan view of which is given in Fig. 6, to which is secured 'a vertical shaft b, and said shaft-plate B is provided with transverse grooves b2, arranged on opposite sides of and at equal distance from thev center thereof, in Which are placed ball-bearingsbg, and the ends of said plate are curved upwardly and inwardly to form inwardly-di rected flanges b4, which extend inwardly even with the transverse grooves b2. I also provide a vertical and movable tube D, which is provided at its lower end with an oblong base-plate d, aplan view of which is given in y Fig. 8, and this plate d rests upon the ballbearings b3, and the tube D projects upwardly through the central transverse elliptical opening a7 in the countersunk top a4 of the elliptical casing a2, and said base-plate d is also provided near each end with a transverse groove cl2, in eachof which are placed ballbearings cl3..

Theinwardly-directed flanges b4of the baseplate B overlap the ends of the base-plate CZ of the tube D and extend inwardly over the ball -bearings d3, the construction and arrangement of these parts being clearly shown in Fig. 3, and said tube D and its base-plate d are free to move transversely of the basei plate B to which the shaft b is secured, and

mounted on the countersunk top of the elliptical casing ce2 is a circular disk E, which is provided with an eccentric circular opening E2, through which the tube D passes, and formed in one side of said disk E, eccentrically thereof,is a transverse cavity E3, in which is secured a curved metal arm E4. Mounted on the upper end of the shaft b, which pro IOO jects above the annular plate C, is aglobe or other device F, which represents the sun, and mounted on the upper end of the tube D is a revoluble band Gr, provided with an arm g,

the outer end of which is provided with an upwardly-directed extension g2, which projects above the annular plate C and is provided at its upper end with ahorizontal outwardly-directed extension g3, and formed on or secured to the lower side of the arm g are two keepers g4, through which the free end of the arm E4, which is secured to the circular disk E, passes.

Eccen trically mounted on and keyed to the tube D at about midway of its length are two similar circular disks H and K, which are not in exact vertical arrangement, as is shown in Figs. l, l0, and ll, and each of these disksH and K is provided with an annular groove, in which is mounted a ring 7L, which is adapted to turn thereon. The rings 7L are preferably composed of two parts connected, as shown in Fig. l2, and connected with the ring h on the disk H is an arm h2, which is curved outwardlyand upwardly, as shown in Figs. 1 and 1l, and connected with the ringhon the disk k is a similarly-curved arm h3, which is of the same length as the arm 7a2.

Passing vertically through the horizontal ex.- tension g3 of the arm g and the end of the arm E4 and movable therein is a double-crank shaft M, which is provided at its upper end with a segmentally curved arm m, with which a globe m2 is connected. The globe m2 represents the earth and is connected with the arm fm. in the usual or any preferred manner, and the lower end of the double-crank shaft M is provided with an inwardly-directed crank m3, with which the arm 7b2 of the disk H is revolubly connected, and the arm h3 of the disk K is pivotally connected with the lower arm of said double-crank shaft at m4, and the said lower arm of said double-crank shaft is about twice the length of the upper arm thereof, as shown in Figs. 1 and 1l.

The operation will be readily understood from the foregoing description when taken in connection with the accompanying drawings.

In the plan Aview shown in Fig. 2 the ballbearings a6 around the perimeter of the'countersunk top a4 of the elliptical casing a2 are omitted, and in the operation of the device, as hereinafter described, the elli ptically-mounted circular disk E moves around the tube D, and the perimeter thereof bears on the ballbearings a, which are held in place by the annular rim or ange formed by the top of the elliptical casing a2 and the groove a5, inv which said bearings are placed. The globe m2 may be moved entirely around the globe' F by taking hold of the arm g and swinging it around on the top of the tube D. In this operation the arm E4, which is connected with the disk E, and the arms h2 and h3, which are connected with the eccentrically-mounted disks H and K, together with the rings h on said disks, are also carried around the tube D, and the shaft M is turned. In this operation the tube D is also moved transversely through the elliptical opening a7 in the countersunk top of the elliptical casing a2, this movement of said tube being occasioned by the disk E, which is eccentrically and movably mounted on said tube and which as it is carried around said tube by the arm E4 moves said tube laterally, as above described. The distance between the globe F and the globe m2 will thus increase and decrease as the arm g is revolved, and no matter in what position the arms h2 and h3 may be the axis of the globe m2 will always be held in the same relative position with reference to the globe F, said axis being represented in two different positions by the dotted lines m5 in Fig. l0. It will be understood that whilethe shaft M is turned the distance therefrom of the tube D nevervaries, the distance between the globes F and m2 being changed by reason of the transverse movement of the tube D,which is occasioned by the disk E, which is revolubly mounted thereon and which is carried around by the movement of the arm E, which is also carried around bythe movement of the arm g, as hereinbefore described. It will also be understood that thislateral movement of the globe m2 is not very great, being only equal to the inner diameter of the tube D; but said movement is sufficient for the purpose for which it is designed. l

In Fig. Lithe disk E is shown in its central position, in which it bears upon the ball-bearings a at the opposite sidesof the elliptical casing CL2, but as said disk E is carriedaround said casing, as hereinbefore described, it will be apparent that it will bear on the said ballbearings at each end of said casing, and the ball-bearings b2 and d3 facilitate the transverse movement of the tube D and reduce the friction of the base-plate d with which said tube D is connected.

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By means of this device the movement of apparent that changes in and modifications of the construction herein described may be made without departing from the spirit of my invention.

Having fully described my invention, I claim as new and desire to secure by Letters Patent- 1. In a tellurian, a base-plate, an elliptical casing mounted thereon and provided with a countersunk top in which is formed a transverse elliptical opening, a stationary shaft which passes upwardly centrally through said opening, a laterally-movable tube mounted in said opening through which said shaft passes, a disk eccentrically and movably mounted on said tube above the countersunk bottom of said casing, a globe mounted on the upper end of said stationary shaft, a revoluble arm mounted on the upper end of said tube and provided at its outer end with a vertical p0rtion having a horizontal extension, a curved arm connected with said disk and'with said revoluble arm, a vertical shaft mounted in the end of said curved arm and in the horizontal extension of said revoluble arm, said shaft being provided in its upper end with a segmental portion with which a globe is con? nected, and at its lower end with a crank, and two disks eccentrically keyed to said tube, each of which is provided with a ring which is revolubly mounted thereon, similar curved arms connected with each of said rings and the free ends of which are connected with said crank, substantially as described.

2. In a tellurian, a base-plate, an elliptical casing mounted thereon and provided with a countersunk top in which is formed a transverse elliptical opening, and around which is placed an elliptical row of ball-bearings, a shaft-plate mounted in said casing, and provided with a vertical shaft which passes centrally through said opening, a transverselymovable tube mounted in said transverse elliptical opening and through which said shaft passes, said tube being provided at its lower end with a base-plate between which and the shaft-plate ball-bearingsare placed, a disk eccentrically and revolubly mounted on said tube above the countersunk bottom of said casing, and provided with a curved arm,

a globe mounted on the upper end of said shaft, a revoluble arm mounted on the upper end of said tube with which said curved arm is connected, a vertical shaft supported by said curved and said revoluble arm, a globe connected with the upper end thereof, said vertical shaft bein g also provided at its lower end with a crank, two disks eccentrically keyed to said tube, revoluble rings mounted thereon, and arms connected with said rings and with said crank, substantially as described.

3. A tellurian, comprisinga base-plate, up= right arms connected therewith, an annular plate connected with said arms, an elliptical casing mounted on said base-plate and provided with a top in which is formed a transverse elliptical opening, a stationary shaft passing vertically through said opening, a transversely-movable vertical tube mounted in said opening through which said shaft passes, a globe connected with the upper en d of said shaft, a revoluble arm mounted on the vu pper end of said tube, a globe supported by a shaft which passes through the end of said revoluble arm, and means for operating said transversely-movable tube, substantially as described.

4. A tellurian, comprising a base, an annular plate supported thereover, an elliptical casing supported on said `base and provided with a top in which is formed a transverse elliptical opening, a vertical stationary shaft mounted centrally in said opening, a laterally-movable tube which is mounted in said opening, and through which said shaft passes, a globe mounted in the upper end of said stationary shaft, a revoluble arm mounted on the upper end of said tube, a disk eccentrically mounted on said tube, a curved arm connected with said disk and with said revoluble arm, a vertical shaft supported by said arms, the lower end of which is provided with a crank, two disks eccentrically keyed to said tube each of which is provided with a revoluble ring, arms connected with each of said rings and with said crank, and a globe mounted on the upper end of said last-named shaft, substantially as described.

5. A tellurian, comprising a base, an annular plate supported thereon, divided into Atwelve spaces, an elliptical casing mounted on said base and provided with a countersunk top in which is formed a transverse elliptical opening, said top being also provided around its perimeter with ball-bearings, a shaft provided with a base-plate which is mounted in said elliptical casing, said shaft being projected upwardly centrally through said opening, a laterally-movable tube mounted in said opening and through which said shaft passes, and the lower end of which is provided with a base-plate, ball-bearings between the baseplate of said shaft and the base-plate of said tube, a disk eccentrically mounted on said tube above the countersunk bottom of said casing, a globe connected with the upper end of said stationary shaft, a revoluble arm mounted on theupper end of said tube, a-

curved arm connected with said disk and said revoluble arm, a vertical globe-shaft mounted in the outery ends of said arms, and provided at its lower end with a crank, and two disks eccentrically keyed to said tube, each of which IOO is provided with a revoluble ring, and arms connected with said rings and with said crank, substantially as described.

In testimony that I claim the foregoing as my invention I have signed my name, in presA ence of the subscribing witnesses, this 2d day of April, 1898.

DANIEL THOMAS lWILLIAMS.

Witnesses:

NVILLIAM T. TANNER, LoUIs H. MCDONALD.

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